Why DMARC is neccasary

Riddhi Jindal
Riddhi Jindal

Created: 05/20/2020 1:19 PM - Updated: 05/20/2020 1:19 PM

DMARC stands for Domain based Messege Authentication, Reporting and Conformance.

DMARC is a set of protocols that are used to authenticate the email senders domain. It provides the information to the ISPs about the senders domain. It helps in identifying whether the sender is trying to send spoofing mails in your inbox .

DMARC is able to identify a mail by using two different protocols i.e. SPF (Sender Policy Framework) and DKIM (Domain Keys Identified Mail). For a domain to get a "PASS" from DMARC it firstly should get a "PASS" from the SPF and DKIM. 

DMARC is a record and is stored & updated in TXT record of the DNS . 

DMARC offers three types of policy settings for the emails:

1. None policy:         

In this policy, no actions are taken against any type of spoofing mails, only reports are generated and provided to get the updates.

2. Quarantine Policy:

In this policy, the spoofing mails are filtered and sent to the junk folder or spam folder.

3. Reject Policy

In this policy,the spoofing mails are bounce back to the senders domain, if they do not "PASS" the DMARC protocols.

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